diff --git a/backend/package-lock.json b/backend/package-lock.json
index 73679a2..844625a 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -1002,9 +1002,9 @@
       "integrity": "sha512-ii0/r5f4sjKNTfh84Di+DpztYwqKhEyUlKoPrzUFfeSkWxjW49xU2QzO9qrPrNkpdI0XJkfzvmTu8V2Zylln6A=="
     },
     "d3-color": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-1.4.0.tgz",
-      "integrity": "sha512-TzNPeJy2+iEepfiL92LAAB7fvnp/dV2YwANPVHdDWmYMm23qIJBYww3qT8I8C1wXrmrg4UWs7BKc2tKIgyjzHg=="
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-3.1.0.tgz",
+      "integrity": "sha512-zg/chbXyeBtMQ1LbD/WSoW2DpC3I0mpmPdW+ynRTj/x2DAWYrIY7qeZIHidozwV24m4iavr15lNwIwLxRmOxhA=="
     },
     "d3-dispatch": {
       "version": "1.0.6",
@@ -1033,6 +1033,13 @@
       "integrity": "sha512-V9znK0zc3jOPV4VD2zZn0sDhZU3WAE2bmlxdIwwQPPzPjvyLkd8B3JUVdS1IDUFDkWZ72c9qnv1GK2ZagTZ8EA==",
       "requires": {
         "d3-color": "1"
+      },
+      "dependencies": {
+        "d3-color": {
+          "version": "1.4.1",
+          "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-1.4.1.tgz",
+          "integrity": "sha512-p2sTHSLCJI2QKunbGb7ocOh7DgTAn8IrLx21QRc/BSnodXM4sv6aLQlnfpvehFMLZEfBc6g9pH9SWQccFYfJ9Q=="
+        }
       }
     },
     "d3-path": {
diff --git a/backend/package.json b/backend/package.json
index bdcbc55..242f030 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -105,7 +105,7 @@
     "d3": "^3.5.17",
     "d3-array": "^1.2.4",
     "d3-collection": "^1.0.7",
-    "d3-color": "^1.4.0",
+    "d3-color": "^3.1.0",
     "d3-dispatch": "^1.0.6",
     "d3-force": "^1.2.1",
     "d3-hierarchy": "^1.1.9",